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Thread: Stupid question about Lincoln Pro 155

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    Stupid question about Lincoln Pro 155

    Hey Gang. I'm new here and a fairly hack welder. (I'm trying to get better)

    I came into possession of a not-so-new Lincoln Pro 155 unit. I'm equipped with a tank of C25 and I'm trying to learn everything I can before I start before just diving in blindly. There's a lot out there covered in on YouTube and manuals but there's one thing I can't seem to find any info about this unit:

    https://www.lincolnelectric.com/asse...oln3/IM563.pdf

    I think I'm about to feel foolish. The values A,B,C,D & E for voltage selection. I can't find anything in the manual or searching the internet about what voltages these settings represent. Even the official Lincoln tutorial videos always seem to gloss over this, only indicating that this is where the voltage is set.

    Am I missing something obvious here? Should there not be some nominal voltage assigned to each position on the dial?

    I thank you in advance for not making fun of me

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    Re: Stupid question about Lincoln Pro 155

    Ok, first there are NO STUPID QUESTIONS, (other than one on another site when I was asked why wheels are round). The voltage selector switch really doesn't tell you muchother than A is the lowest setting, and E is the highest, probably around 17 or 18 volts for the "A" setting and the "E" setting around 25 to 28 volts, set your voltage in a range where you think you need to be and then adjust the wire speed accordingly, when it sounds kinda like bacon sizzling then your in the ballpark. Do you have gas yet? It will make better sense when setting up IMO. Just enjoy and play, you probably cant hurt anything. With MIG it's important to note that you can literally lay a bead with no penetration , make sure you run it hot enough that the toes wet in well.
    Last edited by CAVEMANN; 06-11-2021 at 07:59 PM.
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    Re: Stupid question about Lincoln Pro 155

    Yep... what he said.... I hate that knob, my 180C has the same crap on it. But then... I've disliked a few knobs. Push it until you burn through and then either speed up of back off on the heat... don't be a wussy on the knob. Heavy knobbing is good. Burn through is easier to fix than a part that isn't welded. I know it wouldn't be very accurate, but they should give us the option of buying a decal that goes over that knob with some real numbers on it. Always remember.... when you get free advice on the internet, it's happy hour somewhere....
    Last edited by whtbaron; 06-11-2021 at 08:30 PM.
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    Re: Stupid question about Lincoln Pro 155

    Other than a reference point for future use, I pay very little attention to dial positions after I find the sweet spot for various wires. Door charts are just a starting point, I find that most are a ways off one way or another.

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    Re: Stupid question about Lincoln Pro 155

    I know... and even between my 2 buzz boxes 90 on one is like 110 on the other, but I know the numbers. What's that on my mig? F sharp major??
    F-225 amp Forney AC Stick
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    Re: Stupid question about Lincoln Pro 155

    My first day posting and I can already tell I'm going to learn a lot here

    @CAVEMANN - Let's circle back to that "why a wheel is round" thing

    @whtbaron - We appear to share a dislike for "knobs" ....Um... yeah... Ok...

    Right then....I admit I'm kind of a detail guy so I just assumed that when Lincoln built this thing that it would have just made sense that say something like:

    A = 18v B = 20v C = 22v D = 24v E = 26v or something like that..... I don't quite understand but it appears from what you say here that E is higher than A and that's about it..... and one just needs to figure out where the best voltage and wire speed combo is for the project

    @CAVEMANN, I did receive the 155 kit with a 40CF (I think maybe 60) tank of C25 gas. (plus a lot of other toys and supplies) That actually leads into my next question that I was going to post on... A buddy and I want to fab one of those Argentinean BBQ's. It requires some stainless work for the grill and I was wondering if working with 304 bar with solid stainless wire... if I can get away with the C25 rather than invest in tri-mix for this one project. I want to find the right balance between doing it right and spending too much money... I'll invest where it makes sense. If it's really worth it to use tri mix on the stainless then perhaps it's worth just using tri-mix all around even on mild steel projects since I'm not a fab shop?

    Here it is when I dragged it all home... I took it all down and cleaned it up. Everything seems to run perfectly. None of it got much use.

    Name:  kit.jpg
Views: 223
Size:  268.2 KB

    I cleaned both units all inside and out... I'm also separating them as on the same cart they were a beast to move... The casters were destroyed.

    My neighbour who owned it before stuck that little tray on top... pretty cute, I know...

    Next question.... I easily found Hobart .30 solid stainless wire... I assume I can use that 2 lb spool... Not that I know the difference but I've just always used Lincoln wire... They don't seem to seem to have a solid stainless .30... perhaps I'm missing something? That would seem to me a standard item for MIG. I've seen others branded US Forge and Blue Demon... I don't know them but again... green welder here... Are they good wire?

    Thanks again!

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    Re: Stupid question about Lincoln Pro 155

    Hi,
    If you go to the Lincoln web site, you have to turn cookies on for the literature request, you can order their consumables catalogue for $0.00. It is a wealth of information. Other wire manufacturers likely have one too for their products. For your stainless project I would consider stick electrode it I were doing it. No special gases needed. Stainless sticks are available in various sizes and alloys. And at least some run on AC that your 225 AC can supply.

    A side note Lincoln has hired a site designer who needs a beat down, their site used to be much easier to navigate.

    https://marcomcentral.app.pti.com/pr...cookiedetect=1

    Or at the bottom of this page under "Support" click literature request.
    https://qacd.lincolnelectric.com/en-...esource-Center

    Welcome aboard from Quebec by the way.
    ---Meltedmetal

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    Re: Stupid question about Lincoln Pro 155

    This maybe what you're looking for, I got this chart right from a tech at Lincoln.
    A= 21.5 AMPS
    B= 25 AMPS
    C= 27 AMPS
    D= 31 AMPS
    E =35 AMPS

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    Re: Stupid question about Lincoln Pro 155

    Quote Originally Posted by In Utopia View Post
    This maybe what you're looking for, I got this chart right from a tech at Lincoln.
    A= 21.5 AMPS
    B= 25 AMPS
    C= 27 AMPS
    D= 31 AMPS
    E =35 AMPS
    Are you sure that's not volts?
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    Re: Stupid question about Lincoln Pro 155

    @CAVEMANN - Let's circle back to that "why a wheel is round" thing


    Someone on QUORA asked me that question. I don't know if your familiar with quora but there's a lot of foreigners on there that are totally stupid, have been denied any knowledge from the outside world or just don't have a clue. I answered & poured on the smarta$$, telling them I was closely involved in the creation of the wheel & started with a triangle shape & moving to square & noticing that each time we added sides to the shape it seemed to be easier to roll, & finally figure out that round worked really well. I had commented here on WW about my post & someone posted up some pictures of the wheel in several configurations running on a track similar to a gear that proved my "round" theory wrong, well at least partially.
    IMPEACH BIDEN!
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    RONALD REAGAN

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  19. #11
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    Re: Stupid question about Lincoln Pro 155

    Indeed.... All I get on the literature request is a cookie error. Mine are enabled but is says they're not. Tried it on three browsers... no dice

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    Re: Stupid question about Lincoln Pro 155

    Quote Originally Posted by CAVEMANN View Post
    @CAVEMANN - Let's circle back to that "why a wheel is round" thing


    Someone on QUORA asked me that question. I don't know if your familiar with quora but there's a lot of foreigners on there that are totally stupid, have been denied any knowledge from the outside world or just don't have a clue. I answered & poured on the smarta$$, telling them I was closely involved in the creation of the wheel & started with a triangle shape & moving to square & noticing that each time we added sides to the shape it seemed to be easier to roll, & finally figure out that round worked really well. I had commented here on WW about my post & someone posted up some pictures of the wheel in several configurations running on a track similar to a gear that proved my "round" theory wrong, well at least partially.
    Well... Thank you for the whole wheel thing... It has made my life a lot easier

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    Re: Stupid question about Lincoln Pro 155

    Quote Originally Posted by CAVEMANN View Post
    Are you sure that's not volts?
    Again... total hack here... But would 21.5 volts not be rather high for a minimum?

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    Re: Stupid question about Lincoln Pro 155

    @Meltedmetal - The stick welder would certainly be more economical I suppose. Here's the thing. The first stick weld I ever tried was with the AC225 pictured above.... so very recently. I got the unit with a few boxes of 6013 electrodes and tried to lay some beads on some scrap 1/4" steel and also attempted a fillet.... The results I would be too embarrassed to post pics of here. It was pretty brutal...

    ... The stick welder is actually something I was going to post about separately under a different topic as I'm running into a different problem there. That is when I get going everything seems be working correctly but I find that the electrode just melts into the puddle as fast as I can push it... the whole thing disappearing in seconds. In the end the weld looked like it was done by a drunken monkey....

    I was just at a Princess Auto (Canadian equivalent to Harbor Freight) and they had these

    https://www.princessauto.com/en/5-pc...t/PA0008676850

    At the rate I was going through the 6013's it'll cost me about $17,000m in sticks to make this Argentinian grill I'm hoping to tackle. So yeah.... I've got to get a lot more practice in on the stick welder....

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    Re: Stupid question about Lincoln Pro 155

    I use Firefox and it's default is to block tracking. To the left of the address bar at the top of the page is a shield shaped thingy. Left of the padlock. Click it when on the Lincoln site and set the enhanced tracking to off for this(Lincoln's) site. You might have to add it as an exception. Every other browser likely has something similar. Even if you don't think so, sometimes Google is your friend.
    No matter what you weld with stainless isn't cheap but there are better prices than $13.00 for 5 x 3/32 sticks. And, for me at least Princess Auto's web site sucks putter balls too. I just spent a day and a half ordering some hydraulic stuff cause the frickin pages won't finish loading. No I'm not buying a smart phone to satisfy retailers.
    Find a welding supply company and price stainless electrodes there. Not 5 sticks more like 5 lbs minimum. Bring a friend to catch you when you fall. Lincoln has some really good free/cheap literature and I'm sure Hobart and others do too.
    I'm not personally a fan of 6013. In the 60xx series I prefer 6011 for an AC machine but practice with whatever you've got. A lot. You may find 6011 harder to run but once you get used to it....well I like it better than 6013. You may have to swallow your pride and post some pictures so those who can help will have something to work with. Lotsa luck.
    ---Meltedmetal

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    Re: Stupid question about Lincoln Pro 155

    Quote Originally Posted by TorontoJoe View Post
    Again... total hack here... But would 21.5 volts not be rather high for a minimum?
    If you check back on my original post I put 17 08 18 volts, I think that would be reasonable on "A", your amps will be controlled by stickout, or CTWD. My little 175 3in1 is around 18 on it's lowest setting, but it's pretty much synergic giving a set wirespeed at a given voltage, but I can tweak wirespeed some from there, using the volt dial it will increase voltage by 1/10 volt, yours is just a little tiny bit different.
    Like I said just pad some beads, you'll know when you're zerping in on the sweet spot for each setting/ material situation.
    Last edited by CAVEMANN; 06-12-2021 at 09:00 PM.
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    Re: Stupid question about Lincoln Pro 155

    Quote Originally Posted by TorontoJoe View Post
    Well... Thank you for the whole wheel thing... It has made my life a lot easier
    Thank you, glad I was able to help! That was a long, long time ago, possibly in another life!
    IMPEACH BIDEN!
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    RONALD REAGAN

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    Re: Stupid question about Lincoln Pro 155

    Worry about what the weld is like and forget what any dial or indicator says. Only use is for a reference point for setting the machine for future welds. What the actual volts are only matters if it's part of a procedure qualification. If there's a door chart it should be close and you can tweak it slightly if desired.
    You need to get the right stainless electrodes and most of the time there isn't much difference between brands of electrodes. A Lincoln machine doesn't require Lincoln electrodes. It sounds to me like you just need to put in about 500 hours of practice before you attempt your project.

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    Re: Stupid question about Lincoln Pro 155

    Quote Originally Posted by Welder Dave View Post
    Worry about what the weld is like and forget what any dial or indicator says. Only use is for a reference point for setting the machine for future welds. What the actual volts are only matters if it's part of a procedure qualification. If there's a door chart it should be close and you can tweak it slightly if desired.
    You need to get the right stainless electrodes and most of the time there isn't much difference between brands of electrodes. A Lincoln machine doesn't require Lincoln electrodes. It sounds to me like you just need to put in about 500 hours of practice before you attempt your project.
    True that! I need the practice for sure... I just want to practice right. I really want to learn from my mistakes by understanding why thing go wrong.... I'm also going to need someone to talk to my wife about freeing up those 500 hours.... any takers?

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    Re: Stupid question about Lincoln Pro 155

    I'd say post nude pics of your wife, but that might get me in trouble with the mods... you know it pays to advertise. Hobart rods are generally decent quality, but as others have mentioned, there's probably cheaper ways to buy them than 5 rods at a time. When you started posting the P/A link, I thought you were looking at the brand X Chinese rods. I've actually had good luck with the 6013's and 7014's, but I bought some 7018 AC's and hated them. Stuck 10x worse than Hobarts... like every single time you had to restart you needed to scratch them off... total pain. I won't buy those ones again, but the others were ok for things that weren't really critical.
    F-225 amp Forney AC Stick
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    Re: Stupid question about Lincoln Pro 155

    Quote Originally Posted by whtbaron View Post
    I'd say post nude pics of your wife, but that might get me in trouble with the mods... you know it pays to advertise. Hobart rods are generally decent quality, but as others have mentioned, there's probably cheaper ways to buy them than 5 rods at a time. When you started posting the P/A link, I thought you were looking at the brand X Chinese rods. I've actually had good luck with the 6013's and 7014's, but I bought some 7018 AC's and hated them. Stuck 10x worse than Hobarts... like every single time you had to restart you needed to scratch them off... total pain. I won't buy those ones again, but the others were ok for things that weren't really critical.

    �� LoL! The mods would be the least of my worries!

    As much as it’s possible I have no desire to buy any made outside North America. But yes… a 5 pack is pretty stupid. I need to find a decent welding supply shop in my area. A buddy of mind owns a blasting and powder coat business. A lot of welding happens at his shop. I’ll see if he can point me in the right direction.

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    Re: Stupid question about Lincoln Pro 155

    Quote Originally Posted by whtbaron View Post
    I'd say post nude pics of your wife, but that might get me in trouble with the mods... you know it pays to advertise. Hobart rods are generally decent quality, but as others have mentioned, there's probably cheaper ways to buy them than 5 rods at a time. When you started posting the P/A link, I thought you were looking at the brand X Chinese rods. I've actually had good luck with the 6013's and 7014's, but I bought some 7018 AC's and hated them. Stuck 10x worse than Hobarts... like every single time you had to restart you needed to scratch them off... total pain. I won't buy those ones again, but the others were ok for things that weren't really critical.
    Couple years back I bought 30 lbs. of "no name" 6011. It had white flux like the Murex 6011 i like for thin wall irrigation work.... The stuff was junk, slaggy, sticky, and the arc wouldn't go where you pointed it. Off to the dumpster.

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    Re: Stupid question about Lincoln Pro 155

    I don't care where rods are made as long as they burn decent. As far as 7018, Canadian made Blueshield are the best and I've tried a lot of brands. Too bad they aren't available in the US. Esab OK55 made in Sweden and Atom Arc (think made in US) are pretty decent as well. Have seen people rave about Lincoln Excalibur but in Alberta they are down the list a ways as far as user preference goes.

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    Re: Stupid question about Lincoln Pro 155

    @Welder Dave - Are these the ones you mention?

    https://www.airliquide.ca/la-7018-sm...oryId=A0274397

    Hmm... Should I look into a US distribution deal?

    I don't see SS in their lineup..

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    Re: Stupid question about Lincoln Pro 155

    Here is some 308L, don't know where they are made. Blue Demon's place of business is in Illinois but that doesn't mean they make their wires there.
    https://www.amazon.ca/Blue-Demon-E30...5&sr=8-10&th=1
    ---Meltedmetal

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